Home / 203,211.24-280,568.50-126,846.64

Finding the Fourth Proportional to 203,211.24, 280,568.50 and 126,846.64

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Solution

The fourth proportional to 203,211.24, 280,568.50 and 126,846.64 is: 175,133.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,211.24 : 280,568.50 = 126,846.64 : x
  2. Step 2: Convert to fraction form
    203,211.24/280,568.50 = 126,846.64/x
  3. Step 3: Cross multiply
    203,211.24x = 280,568.50 × 126,846.64
  4. Step 4: Simplify right side
    203,211.24x = 35,589,171,514.84
  5. Step 5: Solve for x
    x = 35,589,171,514.84/203,211.24
  6. Step 6: Final answer
    x = 175,133.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.